यदि \(A=\{1,2,3\}\) और \(B=\{4,5,6\}\), तो \(R=\{(a,b):b=a+3\}\) में कितने ordered pairs हैं?

If \(A=\{1,2,3\}\) and \(B=\{4,5,6\}\), how many ordered pairs are in \(R=\{(a,b):b=a+3\}\)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The pairs are ((1,4),(2,5),(3,6)). Therefore there are (3) ordered pairs.

Step 2

Why this answer is correct

The correct answer is B. (3). The pairs are ((1,4),(2,5),(3,6)). Therefore there are (3) ordered pairs.

Step 3

Exam Tip

युग्म ((1,4),(2,5),(3,6)) मिलते हैं। इसलिए कुल (3) ordered pairs हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3\}\) और \(B=\{4,5,6\}\), तो \(R=\{(a,b):b=a+3\}\) में कितने ordered pairs हैं? / If \(A=\{1,2,3\}\) and \(B=\{4,5,6\}\), how many ordered pairs are in \(R=\{(a,b):b=a+3\}\)?

Correct Answer: B. (3). Explanation: युग्म ((1,4),(2,5),(3,6)) मिलते हैं। इसलिए कुल (3) ordered pairs हैं। / The pairs are ((1,4),(2,5),(3,6)). Therefore there are (3) ordered pairs.

Which concept should I revise for this Mathematics MCQ?

The pairs are ((1,4),(2,5),(3,6)). Therefore there are (3) ordered pairs.

What exam hint can help solve this Mathematics question?

युग्म ((1,4),(2,5),(3,6)) मिलते हैं। इसलिए कुल (3) ordered pairs हैं।